Maybe it's just me, but the last time I read the US Constitution it didn't mention capitalism. So why, when democracy and capitalism come into conflict, do so many people choose capitalism over democracy?
You don't have to like every Supreme Court of the United States decision to recognize that society cannot function if we have 330 million separate and competing interpretations of the US Constitution.
The US is a representative, constitutional democracy and a federalist republic. What does government oppression (aka tyranny) look like in such a government?
Gun-rights activists love to claim that they're members of the unorganized militia until you point out to them that the Constitution doesn't make any distinction between the organized and unorganized militia and that Article I, Section 8 explicitly grants Congress the right to organize, arm, and discipline the militia.